نتایج جستجو برای: power supplies to apparatus

تعداد نتایج: 10745187  

2011
Michael McBride Gary Richardson

Religion engenders conflict and cooperation. Defining religion is a prerequisite for pondering this paradox. Scholars define religion in several ways (Roberts 2004). Functional definitions focus on what religion does for adherents, such as providing a perspective from which to interpret the world, helping cope with life's trials, and addressing concerns about the purpose of life and eventuality...

2013
C. S. Ioakimidis K. N. Genikomsakis

In the upcoming years, an opportunity for a wide range of electricity management solutions arises, thus several researchers have focused their efforts on studying and analyzing various subjects related to the operation of microgrids, smart grids, Vehicle-to-Grid (V2G), responsive demand, among others. On the other side, especially at engineering courses, these topics are primarily covered from ...

‎ In this paper, the stand-alone photovoltaic system for cathodic protection of underground pipelines is presented. The proposed system offers continuous and automatic adjustment of the applied voltage so that the buried pipelines receive the exact current. A modified perturb and observe (P&O) algorithm for maximum power point tracking (MPPT) is used to improve dynamic and steady state performa...

Journal: :Advances in physiology education 2009
Ali Rouzrokh Soltan Ahmed Ebrahimi Massoud Mahmoudian

A modular patch-clamp amplifier was constructed based on the Strickholm design, which was initially published in 1995. Various parts of the amplifier such as the power supply, input circuit, headstage, feedback circuit, output and nulling circuits were redesigned to use recent software advances and fabricated using the common lithographic printed circuit board fabrication process and commercial...

2002
Byong-Deok Choi Oh-Kyong Kwon

− A stepwise driving method was used for reducing the AC power consumption in a TFT-LCD. The AC power takes the largest portion of the total power consumption of a TFT-LCD. Experimental results confirmed that the AC power saving efficiency reached up to 75% when a 5-stepwise driving with each step time of 2μ sec was applied to a 14.1 inchdiagonal XGA TFT-LCD. The second largest component of pow...

Journal: :The Yale Journal of Biology and Medicine 1972
P. Deetjen S. Silbernag

Nine years ago we designed the prototype of a microperfusion pump for calibrated perfusions of tubular segments in vivo(l). The apparatus consists, in principle, of a metal pin whiclh is driven into the fluid-filled shaft of a micropipet. Since the base of this pipet is sealed, the fluid may escape with a constant flow rate only through the tip of the capillary. In the meantime many improvement...

2002
Nathan S. Kline

Manfred E. Clynes has since 1956 been chief research scientist at Rockland State, in charge of the Dynamic Simulation Lab. A graduate of the Univ. of Melbourne, Australia, and holder of an M.S. from Juilliard School, he has for the past 10 years been engaged in the design and development of physiological instrumentation and apparatus, ultrasonic transducers, and electronic data-processing systems.

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